What are reliable and reasonable visa services for education and volunteer visas in Thailand?

The post inquires about recommendations for reliable and reasonably priced visa services for education and volunteer visas in Thailand. Comments highlight a general skepticism towards visa agents, suggesting that local Facebook groups may provide more reliable information. Some users mention negative experiences with visa agents and the potential issues with volunteer visas in the long term. A few users suggest specific services, including "Thai Visa Centre," while others express support for a different service.